Arrange the following in order of decreasing reactivity towards `S_(N^(2))` reactions: `CH_(3)CH_(2)CH_(2)Cl(I),CH_(3)CH_(2)-CHCl-CH_(3)(II)(CH_(3))_(
Arrange the following in order of decreasing reactivity towards `S_(N^(2))` reactions:
`CH_(3)CH_(2)CH_(2)Cl(I),CH_(3)CH_(2)-CHCl-CH_(3)(II)(CH_(3))_(2)CHCH_(2)Cl(III),(CH_(3))_(3)C-Cl(IV)`
A. IgtIIIgtIIgtIV
B. IIIgtIVgtIIgtI
C. IIgtIgtIIIgtIV
D. IVgtIIIgtIIgtI
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Correct Answer - A
Towards `S_(N^2)` reaction mechianism, the order of reactivity of alkyl halides is primarygtsecondarygttertiary. The steric hindrance has also adverse effect on the reactivity. In the light of this it is the correct decreasing order.
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